1. Nuclear Safety, VTT Technical Research Centre of Finland Ltd., Kemistintie 3, Espoo 02150, Finland (Corresponding author), e-mail: laura.sirkia@vtt.fi, https://orcid.org/0000-0001-6120-1461
2. Nuclear Safety, VTT Technical Research Centre of Finland Ltd., Kemistintie 3, Espoo 02150, Finland
3. Department of Mechanical Engineering, Aalto University, Puumiehenkuja 3, Espoo 02150, Finland